1. PLC's POWER light does not shine?     Mitsubishi PLC host and have a positive extension "POWER" of LED lights, when the host through the power, the green LED lights. If the host through the power back, this indicator is not lit, this time, set "24 +" wiring terminals of the pull, if lights are … Continue reading LED indicator to judge by way of exception and deal with Mitsubishi PLC

If the user has the original program Mitsubishi PLC, Mitsubishi PLC memory simply eliminate all restore factory state reimport1 program using handheld WriterWhen selecting the ONLINE mode after writing with Mitsubishi PLC connected, press the GO button, the screen will prompt the user to enter a password, then need to press the SP button 8 … Continue reading Mitsubishi PLC program removal method

1: If you previously installed software Mitsubishi Must first remove the old software and then delete the old registration documents2: Open the Start Run enter REGEDIT point to determine open registry manually look for the following key        HKEY_LOCAL_MACHINE \ SOFTWARE \ MITSUBISHI3: MITSUBISHI free to change the name, press F5 to refresh … Continue reading Mitsubishi PLC GX Developer programming software installation problems

1) Mitsubishi PLC software WINOOWs open the project.2) Click the Mitsubishi PLC programming software [Tools] - [Create start-up setting file] menu3) Set the directory path and file name. (Because the extension *. GPS automatically added, so do not set extension].4) Click the Save button to save the file. Thus quick start set.

1 : If you previously installed Mitsubishi software must first register and then delete the old software off the old registration documentsDelete method : ① Open the Start → Run → type REGEDIT point to determine open registry manually look for the following key HKEY_LOCAL_MACHINE \ SOFTWARE \ MITSUBISHI②, the MITSUBISHI free to change the … Continue reading Mitsubishi PLC programming software GX-DEVELOPER-C installation method

Mitsubishi PLC FX1N: basic unit (24/40/60) with relay or transistor outputUp to 128 points can be extended to a maximum 100kHz built-in 2-way high-speed pulse output function (transistor output type). Special function modules can be connected to FX2N series Expansion board with a variety of functions for useMitsubishi PLC FX1S: basic unit (10/14/20/30) with relay … Continue reading Mitsubishi PLC, FX1S and FX1N difference in functionality

In an FC where monitoring occurs when the statements are not being processedWhen other FC monitoring are normal, you can connect, ask why?A: PLC online, the state appears the statements are not being processed?Indicates that some statements have not been processed. This execution logic of your program about:There compare, branch, some of the statements will … Continue reading When PLC online, the state appears the statements are not being processed?

When the PLC user program to be retained in RAM Battery will be used ,Batteries typically 3V or 3.6V non-rechargeable lithium batteries,Battery life is usually about five years ,Battery with a long ,Voltage will drop,When it fell to the data is insufficient to guarantee the RAM ,The program RAM is lost . If the user … Continue reading Siemens PLC battery replacement method

Siemens PLC high-speed counter preset value can be set to zero, the purpose you want to use based on the high-speed counter.every one has a 32-bit high-speed counter current value and a 32-bit preset value,Current and preset values ​​are unsigned integer value.All counter modes are supported by the current value equal to preset interrupt,The use … Continue reading Siemens PLC high-speed counter preset value can be zero right?

How to Siemens S7-300 at 8:08:08 on August 8, 2013 by STL how to convert ASCII, preferably with FC in the form of call, multi-thank you!Here is my answer:The STEP7 time with BCD code, BCD code can be regarded as a special decimal number, you can use TI_S7 library FC95 HTA to convert.The following program … Continue reading How will the time converted to ASCII code?